Such errors therefore must be eliminated as soon as possible!
If you have difficulties, please consult this list first. If you find no solution to the problem
in this information, please contact your dealer.
Nothing happens, the actuator does not move.
Check the wiring.
Is the plug connected?
Is there power at the plug?
Is the actuator suitable for the applied voltage? - Check type label
Power light does not function.
The actuator runs and then stops.
The power light flashes:
Power light is not flashing:
Check external fuse and replace if necessary, check the wiring and supply voltage.
The actuator is set to "OPEN" position, the valve is closed, however, and does not open
or close completely.
Actuator is twisted mounted or the end position adjustment is wrong with the valve match. The
release cams have to be readjusted, and/or the actuator is to set up correctly.
The limit switches for position feedback does not respond.
The actuator moves, but the valve does not.
The interface between the valve and actuator is faulty or damaged, forgotten assembling
accessories - consult the valve assembling company and check the complete documentation of the
actuator for clues.
The end position is reached, but the limiter is activated (power light flashes).
If you come up against some increased resistance while manual rotation, the valve must
be tested.
FA Q
- 27 -
If there is moisture in the inside of your actuator.
The mounting of the cable has to be gland at he connectors. Please check also the diameter of the
used cables. Please see also in chapter “connectors”.